A migrating bird flies 420 miles in 12 hours . How many miles does it fly in 7 hours

Answers

Answer 1

Answer: first find miles per hour then multiply by 7
so 420/12=35
35 times7=245 mph

Answer 2

Answer: 420 divided by 12 = 35 hours flown by the bird in 1 hour.
35 x 7(hours) = 245 miles flown in 7 hours

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What is the answer for 136.9 divided by .77 showing work

Answers

The Answer is 181.688312 Because if you Use the ladder Method

The Answer is 181.688312

The president of a company creates a graph of the price of the company’s stock over one year. He describes the graph as follows: • The price of the stock rose to about $17 before falling to about $3. • There have only been two periods during which the price of the stock decreased. • The price of the stock is expected to increase in the long run. Which graph correctly shows the price of the stock?

Answers

Answer:

Option D

Just took test on ed2020 it is the last graph. Option D

Step-by-step explanation:

Answer: D

Step-by-step explanation:

How many Japanese yen are equal to $100?, $1,000?, $10,000?

Answers

12,341.90=$100 us dollars 123,419.00=$1000us dollars 1,234,190.00=$10000us dollars

A kayaker paddles 2 km upstream in the same time that it takes to paddle 3 km downstream. The average speed of the current is 1 km/h. What is the average speed of the kayak in still water?I need the work as well pleasee!!

Answers

Let x represent speed of kayak in the still water.

We have been given that a kayaker paddles 2 km upstream in the same time that it takes to paddle 3 km downstream. The average speed of the current is 1 km/h.

Speed of kayak upstream would be speed of kayak in still water minus speed of the current that is $x-1$ .

Speed of kayak downstream would be speed of kayak in still water plus speed of the current that is $x+1$ .

$\text{Time}=\frac{\text{Distance}}{\text{Speed}}$

Time taken to travel 2 km upstream would be $(2)/(x-1)$ .

Time taken to travel 3 km upstream would be $(3)/(x+1)$ .

Since both times are equal, so we can equate both expressions as:

$(3)/(x+1)=(2)/(x-1)$

Cross multiply:

$3(x-1)=2(x+1)$

$3x-3=2x+2$

$3x-2x-3=2x-2x+2$

$x-3=2$

$x-3+3=2+3$

$x=5$

Therefore, the average speed of Kayak in still water is 5 km per hour.

HELP PLEASE SOME ONE HELP ME PLEASEEEEEEEEEE

The manager of a sawmill wants to find out what percentage of the boards that the mill produced are defective.

Which sampling methods are likely to be biased?

Choose all answers that are correct.

A.
The manager selects 20 boards at random each day for 5 days and examines them.

B.
The manager sends an email to 20 customers who buy lumber from the mill, asking each how many of the boards they bought the past week were defective. Results from the first 5 customers to respond are tallied.

C.
On 1 day, an hour after the sawmill begins production, 30 boards in a row are selected and examined.

D.
Every 40th board produced over the course of 1 week is selected and examined.

I think C and D am i correct ?

Answers

Answer:

I'm pretty sure it's C and D

Step-by-step explanation:

C.
On 1 day, an hour after the sawmill begins production, 30 boards in a row are selected and examined.

D.
Every 40th board produced over the course of 1 week is selected and examined. Are the correct answers

Figure ABCD has vertices A(−3, 2), B(2, 2), C(2, −4), and D(−3, −2). What is the area of figure ABCD?